Cytology & Histology

Question 1

What membrane allows certain materials to pass through

Answer 1

Selective membrane

Question 2

Process by which a cell membrane surrounds and takes material in from the environment

Answer 2

Endocytosis

Question 3

What movement of particles across a membrane requires energy

Answer 3

Active

Question 4

Solution deals with concentration of dissolved substances is lower than concentration inside the cell

Answer 4

Hypotonic

Question 5

Which organisms do not have cell walls

Answer 5

Animals

Question 6

All living things are made up of

Answer 6

Cells

Question 7

Cell that contains a nucleus

Answer 7

Eukaryote

Question 8

What might be the result of a disease that causes a thickened plasma membrane?

Answer 8

Decreased movement of molecules entering the cell

Question 9

What is movement of particles from a region of lesser concentration to a region of greater concentration?

Answer 9

Active Transport

Question 10

Diffusion continues until there is no..?

Answer 10

concentration gradient

Question 11

What is a plasma membrane made up of?

Answer 11

Lipid Bilayer

Question 12

What structure is most responsible for maintaining cell homeostasis?

Answer 12

plasma membrane

Question 13

Which tissue would be formed from the mesoderm (middle germ layer)?

Answer 13

Endothelial Tissue

Question 14

What is an example of tissue repair?

Answer 14

regeneration and fibrosis

Question 15

What scientist claims “cells only arise from other cells”?

Answer 15

Rudolph Virchow

Question 16

What is the sugar-based cell coat?

Answer 16

Glycocoalyx

Question 17

Who was the first man to “see” cells?

Answer 17

Robert Hooke

Question 18

What are the components of the plasma membrane?

Answer 18

phospholipid bilayer, peripheral proteins, and integral proteins

Question 19

What junction types of plasma membranes has protein molecules of adjacent membranes fused together (zipper-like)?

Answer 19

Tight Juctions

Question 20

What junction types of plasma membranes are joined by proteins called connexons?

Answer 20

Gap Junctions

Question 21

What is the diffusion of water only through a semi-permeable membrane?

Answer 21

Osmosis

Question 22

What type of transport requires energy?

Answer 22

Active Transport

Question 23

If a cell were to extend its cytoplasm to engulf a large particle, what would it be carrying out?

Answer 23

phagcytosis

Question 24

What component of a cell is composed of colloid cytosol and contains organelles and inclusions?

Answer 24

cytoplasm

Question 25

What is the movement of large molecules out of a cell?

Answer 25

Exocytosis

Question 26

What is the site for protein synthesis?

Answer 26

Ribosomes

Question 27

What is the powerhouse of the cell in which cellular respiration occurs?

Answer 27

Mitochondria

Question 28

What cellular extension is responsible for movement?

Answer 28

Flagella and cilia

Question 29

What is responsible for “rough” endoplasmic reticulum?

Answer 29

Ribosomes

Question 30

Examples of cytoskeletal elements.

Answer 30

Microfilaments, intermediate filaments, and microtubules

Question 31

Growth, repair, and replacement are for what reasons?

Answer 31

Cell Division

Question 32

What helps the cell detoxify harmful substances?

Answer 32

Peroxisomes

Question 33

What is the site for cellular digestion?

Answer 33

Lysosomes

Question 34

What time during the cell cycle in which preparation is made for cell division?

Answer 34

Interphase

Question 35

What phase of mitosis is when chromatin condenses into chromosomes?

Answer 35

Prophase

Question 36

What is the opposite of prophase?

Answer 36

Telophase

Question 37

What two parts of the cell cycle are not part of mitosis?

Answer 37

Interphase and Cytokenisis

Question 38

When chromosomes line up at the equator of the cell during mitosis what is the cell in __?

Answer 38

Metaphase

Question 39

What is the transfer of information from a DNA gene sequence to its RNA complimentary base?

Answer 39

Transcription

Question 40

Cytokinesis occurs in conjunction with what phase of mitosis?

Answer 40

Telophase

Question 41

What is the most important and abundant fibers (connective tissue)?

Answer 41

Collagen

Question 42

What are the “net-like” interacting patterns of connective tissue?

Answer 42

Reticular fibers

Question 43

What is cartilage-forming connecting tissue?

Answer 43

Chondroblast

Question 44

Involuntary, uninucleated, striated muscle with intercalated discs are?

Answer 44

Cardiac Muscle

Question 45

Voluntary muscles that are multinucleated and striated are?

Answer 45

Skeletal Muscle

Question 46

Which type of muscle is involuntary muscle that is uninucleated, with no external striations?

Answer 46

Smooth Muscle

Question 47

What muscle is found in hollow organs and blood vessels?

Answer 47

Smooth

Question 48

What are mature bone cells called?

Answer 48

Osteocytes

Question 49

vascularity and regeneration are characteristics of what tissue?

Answer 49

Epithelial

Question 50

What is epithelial tissue classified as?

Answer 50

Cellular Shape and Respiration

Question 51

What is the function of epithelia?

Answer 51

Absorption, secretions, and filtration

Question 52

What gland are epithelia primarily found in?

Answer 52

Stratified Cuboidal

Question 53

What is rare to find in the human body?

Answer 53

Stratified Columnar

Question 54

What is cutaneous membrane?

Answer 54

Skin

Question 55

What are ductless glands?

Answer 55

Endocrine

Question 56

What epithelial tissue is composed of single layer and is tight and tall?

Answer 56

Simple Columnar

Question 57

What type of tissue arises from mesenchyme and is scarce in the brain?

Answer 57

Connective Tissue

Question 58

What type of tissue has a wide range of vasularity?

Answer 58

Connective

Question 59

What type of stratified epithelial line the urinary organs?

Answer 59

Transitional

Question 60

What are examples of cellular secretions?

Answer 60

Saliva, Pancreatic, and gastric glands

Question 61

What types of cells receives and transmits impulses?

Answer 61

Nervous

Question 62

What are immature cartilage cells?

Answer 62

Chondroblasts

Question 63

What type of RNA carries amino acids to the ribosomes for protein synthesis?

Answer 63

Transfer

Question 64

What type of RNA is the “template” for protein synthesis?

Answer 64

Messenger

Question 65

Epithelial tissue originates from__, endothelial tissue from__, and mucosae from__?

Answer 65

Ectoderm, mesoderm, and endoderm

Question 66

What type is loose connective tissue?

Answer 66

Areolar and adipose

Question 67

What germ layer is most superficial?

Answer 67

Ectoderm

Question 68

What organelle is designated for storage?

Answer 68

Vacuole

Question 69

What is histology the study of?

Answer 69

Tissues

Question 70

What is the largest of the cytoskeletal elements are formed by globular proteins?

Answer 70

Microtubles

Question 71

If a DNA strand is ATCCGTC what would the order of the bases in the other strand?

Answer 71

TAGGCAG

Question 72

What structure describes a fluid mosaic model?

Answer 72

polar layers on the outside and a nonpolar layer on the inside

Question 73

When a molecule goes through a membrane faster than others, than the membrane is…?

Answer 73

Selectively Permeable

Question 74

If a cell is placed in salt water, water leaves the cell by…?

Answer 74

Osmosis